HM GEM Engines Logo

Call  1300 767 040

Engine and Cylinder head sales: 1300 360 110


Cylinder Block Machining

Australia’s preferred choice for cylinder block machining

At HM GEM Engines, we use the very latest machining equipment to ensure professional results with our cylinder block machining services.

Using quality machines such as the Rottler CNC F90 series cylinder block machining centre, we can guarantee the very best results for our customers.

This particular piece of equipment can machine the largest off-highway high horsepower diesel cylinder blocks, including:

  • Caterpillar V16 3516
  • Cummins K50 and QSK78
  • Deutz MWM 620
  • Detroit MTU series 4000 
  • Waukesha 7042

Experienced with both diesel and petrol cylinder blocks, our team can work with everything from a small single cylinder two-stroke, to the largest diesel engines.

Whether you work in the automotive, earthmoving, industrial, marine, power generation or trucking industry, we can help.

HM GEM Engines red stripes
Cylinder block cleaning

Cylinder block cleaning

  • All cylinder blocks have welsh and gallery plugs removed before the chemical cleaning process.
Cylinder block inspection

Cylinder block inspection

  • All relevant areas are crack-tested and measured, including main tunnel and main tunnel centre line heights
  • Deck and counter bore recess areas are also checked to ensure they meet the Original Equipment Manufacturers (OEM) standards
  • 0pening and closing written reports can be supplied, if necessary

Cylinder block top deck machining

For cylinder block top deck machining, we can work with cylinder blocks as large as the Caterpillar 35 series V16 and a Cummins QSK78, for our customers’ convenience. All of our machining is carried out using our expert technology, which includes the very best in engine remanufacturing equipment.

We can carry out the following as required: 

  • Cylinder block milling
  • Counter-bore recess machining
  • Stainless-steel water passage insertion 
  • Liner seat insertion
  • Lower liner seal insertion
  • Cam follower bore insertion
HM GEM Engines red stripes

Cylinder block tunnel boring

Cylinder block main tunnel machining can also be carried out where they do not meet reusability guidelines. 

We can bring the following up to the OEM standards:

  • Main bearing cap relocation
  • Milling
  • Spot facing
  • Doweling
  • Parting line milling
  • Thrust-face machining is all available, where required

Cylinder block preparation

After the machining process is complete, all cylinder blocks are subjected to a final quality inspection, with all machined components rinsed to remove excess machining residue.

We’ll then fit the cam bush, gallery plug, and welsh plug at the customer’s request, and finish by preparing the machined surfaces for shipping.

Contact Us

HM GEM Engines white star

Call us today on 1300 767 040 for more information about our cylinder block machining!

Share by: